diff options
Diffstat (limited to 'arch/x86/mach-visws/setup_visws.c')
| -rw-r--r-- | arch/x86/mach-visws/setup_visws.c | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/arch/x86/mach-visws/setup_visws.c b/arch/x86/mach-visws/setup_visws.c deleted file mode 100644 index e95e9499c8c..00000000000 --- a/arch/x86/mach-visws/setup_visws.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - * Unmaintained SGI Visual Workstation support. - * Split out from setup.c by davej@suse.de - */ - -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/smp.h> - -#include <asm/visws/cobalt.h> -#include <asm/visws/piix4.h> -#include <asm/arch_hooks.h> -#include <asm/fixmap.h> -#include <asm/reboot.h> -#include <asm/setup.h> -#include <asm/e820.h> -#include <asm/smp.h> -#include <asm/io.h> - -#include <mach_ipi.h> - -#include "mach_apic.h" - -#include <linux/init.h> -#include <linux/smp.h> - -char visws_board_type = -1; -char visws_board_rev = -1; - -int is_visws_box(void) -{ - return visws_board_type >= 0; -} - -static int __init visws_time_init_quirk(void) -{ - printk(KERN_INFO "Starting Cobalt Timer system clock\n"); - - /* Set the countdown value */ - co_cpu_write(CO_CPU_TIMEVAL, CO_TIME_HZ/HZ); - - /* Start the timer */ - co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) | CO_CTRL_TIMERUN); - - /* Enable (unmask) the timer interrupt */ - co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK); - - /* - * Zero return means the generic timer setup code will set up - * the standard vector: - */ - return 0; -} - -static int __init visws_pre_intr_init_quirk(void) -{ - init_VISWS_APIC_irqs(); - - /* - * We dont want ISA irqs to be set up by the generic code: - */ - return 1; -} - -/* Quirk for machine specific memory setup. */ - -#define MB (1024 * 1024) - -unsigned long sgivwfb_mem_phys; -unsigned long sgivwfb_mem_size; -EXPORT_SYMBOL(sgivwfb_mem_phys); -EXPORT_SYMBOL(sgivwfb_mem_size); - -long long mem_size __initdata = 0; - -static char * __init visws_memory_setup_quirk(void) -{ - long long gfx_mem_size = 8 * MB; - - mem_size = boot_params.alt_mem_k; - - if (!mem_size) { - printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n"); - mem_size = 128 * MB; - } - - /* - * this hardcodes the graphics memory to 8 MB - * it really should be sized dynamically (or at least - * set as a boot param) - */ - if (!sgivwfb_mem_size) { - printk(KERN_WARNING "Defaulting to 8 MB framebuffer size\n"); - sgivwfb_mem_size = 8 * MB; - } - - /* - * Trim to nearest MB - */ - sgivwfb_mem_size &= ~((1 << 20) - 1); - sgivwfb_mem_phys = mem_size - gfx_mem_size; - - e820_add_region(0, LOWMEMSIZE(), E820_RAM); - e820_add_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM); - e820_add_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED); - - return "PROM"; -} - -static void visws_machine_emergency_restart(void) -{ - /* - * Visual Workstations restart after this - * register is poked on the PIIX4 - */ - outb(PIIX4_RESET_VAL, PIIX4_RESET_PORT); -} - -static void visws_machine_power_off(void) -{ - unsigned short pm_status; -/* extern unsigned int pci_bus0; */ - - while ((pm_status = inw(PMSTS_PORT)) & 0x100) - outw(pm_status, PMSTS_PORT); - - outw(PM_SUSPEND_ENABLE, PMCNTRL_PORT); - - mdelay(10); - -#define PCI_CONF1_ADDRESS(bus, devfn, reg) \ - (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3)) - -/* outl(PCI_CONF1_ADDRESS(pci_bus0, SPECIAL_DEV, SPECIAL_REG), 0xCF8); */ - outl(PIIX_SPECIAL_STOP, 0xCFC); -} - -static int __init visws_get_smp_config_quirk(unsigned int early) -{ - /* - * Prevent MP-table parsing by the generic code: - */ - return 1; -} - -extern unsigned int __cpuinitdata maxcpus; - -/* - * The Visual Workstation is Intel MP compliant in the hardware - * sense, but it doesn't have a BIOS(-configuration table). - * No problem for Linux. - */ - -static void __init MP_processor_info (struct mpc_config_processor *m) -{ - int ver, logical_apicid; - physid_mask_t apic_cpus; - - if (!(m->mpc_cpuflag & CPU_ENABLED)) - return; - - logical_apicid = m->mpc_apicid; - printk(KERN_INFO "%sCPU #%d %u:%u APIC version %d\n", - m->mpc_cpuflag & CPU_BOOTPROCESSOR ? "Bootup " : "", - m->mpc_apicid, - (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8, - (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4, - m->mpc_apicver); - - if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) - boot_cpu_physical_apicid = m->mpc_apicid; - - ver = m->mpc_apicver; - if ((ver >= 0x14 && m->mpc_apicid >= 0xff) || m->mpc_apicid >= 0xf) { - printk(KERN_ERR "Processor #%d INVALID. (Max ID: %d).\n", - m->mpc_apicid, MAX_APICS); - return; - } - - apic_cpus = apicid_to_cpu_present(m->mpc_apicid); - physids_or(phys_cpu_present_map, phys_cpu_present_map, apic_cpus); - /* - * Validate version - */ - if (ver == 0x0) { - printk(KERN_ERR "BIOS bug, APIC version is 0 for CPU#%d! " - "fixing up to 0x10. (tell your hw vendor)\n", - m->mpc_apicid); - ver = 0x10; - } - apic_version[m->mpc_apicid] = ver; -} - -int __init visws_find_smp_config_quirk(unsigned int reserve) -{ - struct mpc_config_processor *mp = phys_to_virt(CO_CPU_TAB_PHYS); - unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS)); - - if (ncpus > CO_CPU_MAX) { - printk(KERN_WARNING "find_visws_smp: got cpu count of %d at %p\n", - ncpus, mp); - - ncpus = CO_CPU_MAX; - } - - if (ncpus > maxcpus) - ncpus = maxcpus; - -#ifdef CONFIG_X86_LOCAL_APIC - smp_found_config = 1; -#endif - while (ncpus--) - MP_processor_info(mp++); - - mp_lapic_addr = APIC_DEFAULT_PHYS_BASE; - - return 1; -} - -extern int visws_trap_init_quirk(void); - -void __init visws_early_detect(void) -{ - int raw; - - visws_board_type = (char)(inb_p(PIIX_GPI_BD_REG) & PIIX_GPI_BD_REG) - >> PIIX_GPI_BD_SHIFT; - - if (visws_board_type < 0) - return; - - /* - * Install special quirks for timer, interrupt and memory setup: - */ - arch_time_init_quirk = visws_time_init_quirk; - arch_pre_intr_init_quirk = visws_pre_intr_init_quirk; - arch_memory_setup_quirk = visws_memory_setup_quirk; - - /* - * Fall back to generic behavior for traps: - */ - arch_intr_init_quirk = NULL; - arch_trap_init_quirk = visws_trap_init_quirk; - - /* - * Install reboot quirks: - */ - pm_power_off = visws_machine_power_off; - machine_ops.emergency_restart = visws_machine_emergency_restart; - - /* - * Do not use broadcast IPIs: - */ - no_broadcast = 0; - - /* - * Override generic MP-table parsing: - */ - mach_get_smp_config_quirk = visws_get_smp_config_quirk; - mach_find_smp_config_quirk = visws_find_smp_config_quirk; - - /* - * Get Board rev. - * First, we have to initialize the 307 part to allow us access - * to the GPIO registers. Let's map them at 0x0fc0 which is right - * after the PIIX4 PM section. - */ - outb_p(SIO_DEV_SEL, SIO_INDEX); - outb_p(SIO_GP_DEV, SIO_DATA); /* Talk to GPIO regs. */ - - outb_p(SIO_DEV_MSB, SIO_INDEX); - outb_p(SIO_GP_MSB, SIO_DATA); /* MSB of GPIO base address */ - - outb_p(SIO_DEV_LSB, SIO_INDEX); - outb_p(SIO_GP_LSB, SIO_DATA); /* LSB of GPIO base address */ - - outb_p(SIO_DEV_ENB, SIO_INDEX); - outb_p(1, SIO_DATA); /* Enable GPIO registers. */ - - /* - * Now, we have to map the power management section to write - * a bit which enables access to the GPIO registers. - * What lunatic came up with this shit? - */ - outb_p(SIO_DEV_SEL, SIO_INDEX); - outb_p(SIO_PM_DEV, SIO_DATA); /* Talk to GPIO regs. */ - - outb_p(SIO_DEV_MSB, SIO_INDEX); - outb_p(SIO_PM_MSB, SIO_DATA); /* MSB of PM base address */ - - outb_p(SIO_DEV_LSB, SIO_INDEX); - outb_p(SIO_PM_LSB, SIO_DATA); /* LSB of PM base address */ - - outb_p(SIO_DEV_ENB, SIO_INDEX); - outb_p(1, SIO_DATA); /* Enable PM registers. */ - - /* - * Now, write the PM register which enables the GPIO registers. - */ - outb_p(SIO_PM_FER2, SIO_PM_INDEX); - outb_p(SIO_PM_GP_EN, SIO_PM_DATA); - - /* - * Now, initialize the GPIO registers. - * We want them all to be inputs which is the - * power on default, so let's leave them alone. - * So, let's just read the board rev! - */ - raw = inb_p(SIO_GP_DATA1); - raw &= 0x7f; /* 7 bits of valid board revision ID. */ - - if (visws_board_type == VISWS_320) { - if (raw < 0x6) { - visws_board_rev = 4; - } else if (raw < 0xc) { - visws_board_rev = 5; - } else { - visws_board_rev = 6; - } - } else if (visws_board_type == VISWS_540) { - visws_board_rev = 2; - } else { - visws_board_rev = raw; - } - - printk(KERN_INFO "Silicon Graphics Visual Workstation %s (rev %d) detected\n", - (visws_board_type == VISWS_320 ? "320" : - (visws_board_type == VISWS_540 ? "540" : - "unknown")), visws_board_rev); -} |